7、gsth17.By的用法by+地点名词在…旁边by+时间名词到…时,在…之前by+交通工具18.Works of art work 表示著作、作品时是可数名词19.Show 的用法Showsbsth=showsthtosbEg.HeshowmehisphotoshetookinBejing.=HeshowhisphotoshetookinBejingtome.20.Lookfor(侧重于表寻找这个动作)&find(侧重于寻找后的结果)Look搭配的动词词组:Lookforlookafterlookuplookatl